emmetropia

American  

[em-i-troh-pee-uh] / ˌɛm ɪˈtroʊ pi ə /

noun

Ophthalmology.

1. the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina.

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emmetropia British  

/ ˌɛmɪˈtrɒpɪk, ˌɛmɪˈtrəʊpɪə /

noun

1. the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation

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Other Word Forms

• emmetrope noun
• emmetropic adjective

Etymology

Origin of emmetropia

1860–65; < New Latin, equivalent to emmetr- (stem of Greek émmetros in measure, equivalent to em- em- ² + métr ( on ) measure + -os adj. suffix) + -opia -opia

Example Sentences

On looking to the left homonymous diplopia is present, on looking to the front and the right binocular single vision and no squint; on both sides emmetropia and full acuity of vision.

From Project Gutenberg

Full visual acuity on both sides—in the first examination slight myopia - ·75 D. is specified, afterwards emmetropia.

From Project Gutenberg

Among them 3 with double hypermetropia, 2 with emmetropia in one, and hypermetropia in the other eye.

From Project Gutenberg

Those cases deserve special consideration in which emmetropia is present in one eye, in the other myopia.

From Project Gutenberg

Three years later, when the child had learnt to read, emmetropia and full visual acuteness was observed in the right eye, with the left No. 4·0 only is read with difficulty.

From Project Gutenberg